marine general john allen is back on track to become supreme commander of nato forces in europe. white house officials said today his nomination is no longer on hold. that's after the pentagon inspector general cleared allen of any wrongdoing in e-mail exchanges with a tampa, florida woman. allen steps down as overall coalition commander in afghanistan next month. the air force's top general vowed today to put an end to sexual misconduct within the service. figures for 2012 show some 800 reported incidents. many of the cases stemmed from a scandal at lackland air force base near san antonio. an investigation there found 32 instructors allegedly engaged in sexual misconduct with nearly 60 female service members. at a house hearing, the air force chief of staff general mark welsh called the numbers appalling. >> there is no way we can allow this to happen again. the air force goal for sexual assault is not simply to lower the number. the goal is zero. it's the only acceptable objective. the impact on every victim, their family, their friends, the other people in their unit is heart